25423620615354 has 64 divisors (see below), whose sum is σ = 55010979684864. Its totient is φ = 7786607637696.

The previous prime is 25423620615313. The next prime is 25423620615397. The reversal of 25423620615354 is 45351602632452.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88439617 + ... + 88726619.

It is an arithmetic number, because the mean of its divisors is an integer number (859546557576).

Almost surely, 2^{25423620615354} is an apocalyptic number.

25423620615354 is an abundant number, since it is smaller than the sum of its proper divisors (29587359069510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25423620615354 is a wasteful number, since it uses less digits than its factorization.

25423620615354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292251.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 25423620615354 in words is "twenty-five trillion, four hundred twenty-three billion, six hundred twenty million, six hundred fifteen thousand, three hundred fifty-four".